Source : WordNet®

autopilot
     n 1: a cognitive state in which you act without self-awareness;
          "she went about her chores on automatic pilot"; "too
          much of the writing seems to have been done on automatic
          pilot"; "she talked and he dozed and my mind went on
          autopilot" [syn: {automatic pilot}]
     2: a navigational device that automatically keeps ships or
        planes or spacecraft on a steady course [syn: {automatic
        pilot}, {robot pilot}]